BGS mineralogy and petrology collection record

Sample number E30378; COLLNOC1167;
Sample Donor Collins,G.H.
Rock name Not entered
Stratigraphy Not entered
Comments Not entered
Locality details Middle Mill Quarry, 120 Yds. W. at 20 deg. N, of Middle Mill Bridge.
50k map sheet St. Davids (209)

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Map reference SM 805 259
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E30378

Cross Polarized, E30378

Plane Polarized, E30378

Plane Polarized, E30378